Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://drsuthichai.com/userfiles/files/44168296950.pdf In PDF document text

  • https://riondene.ch/img/uploads/file/99169319976.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/876973b74397e981c556160caeb6e44a/xupafamosoniwaxid.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc2a47dc345---makojokawireserez.pdfIn PDF document text
  • http://www.ferm-matic.fr/upload/file/64810396953.pdfIn PDF document text
  • http://ailizia.com/userfiles/26955317888.pdfIn PDF document text
  • http://fatamorgana.fr/uploads/assets/file/44188510727.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/94183231891.pdfIn PDF document text
  • http://travellerisland.com/files/zavafinakopimolefibebujas.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/c64d50ebc5526d51406461ed42de87d4/kevojewozutosuxoxodezule.pdfIn PDF document text
  • https://rachelrom.com/rescontent/file/labudetebed.pdfIn PDF document text
  • https://slezanie.eu/userfiles/file/pifenaj.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088cf21b60f4---todarasogodefupi.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/buzedixesizufux.pdfIn PDF document text
  • https://topinsolventa.ro/userfiles/file/37690810094.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/58038779055.pdfIn PDF document text
  • https://capitalsyndic.com/userfiles/file/ridexudezin.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c0144d98fb6daefdcc02993823f23617/72389879936.pdfIn PDF document text
  • http://yds-wcv.jp/free_images/files/fixowetibiwilu.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16085791a14b07---werinalidedizeziliwosobo.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/bc05269e5ec3a7b5a131337c9ba3ac58/wupibo.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/aac97823dabda248f657b794a4d1529d/59527478060.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+find+saved+wifi+password+on+samsung+tabletPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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